Home / 17,018.16-25,539.72-11,172.72

Finding the Fourth Proportional to 17,018.16, 25,539.72 and 11,172.72

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Solution

The fourth proportional to 17,018.16, 25,539.72 and 11,172.72 is: 16,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.16 : 25,539.72 = 11,172.72 : x
  2. Step 2: Convert to fraction form
    17,018.16/25,539.72 = 11,172.72/x
  3. Step 3: Cross multiply
    17,018.16x = 25,539.72 × 11,172.72
  4. Step 4: Simplify right side
    17,018.16x = 285,348,140.44
  5. Step 5: Solve for x
    x = 285,348,140.44/17,018.16
  6. Step 6: Final answer
    x = 16,767.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.